41687081 has 4 divisors (see below), whose sum is σ = 42656592. Its totient is φ = 40717572.

The previous prime is 41687069. The next prime is 41687089. The reversal of 41687081 is 18078614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41687081 is a prime.

It is a super-3 number, since 3×41687081³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41687089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484691 + ... + 484776.

It is an arithmetic number, because the mean of its divisors is an integer number (10664148).

Almost surely, 2^41687081 is an apocalyptic number.

It is an amenable number.

41687081 is a deficient number, since it is larger than the sum of its proper divisors (969511).

41687081 is an equidigital number, since it uses as much as digits as its factorization.

41687081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969510.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 41687081 is about 6456.5533375014. The cubic root of 41687081 is about 346.7372459640.

The spelling of 41687081 in words is "forty-one million, six hundred eighty-seven thousand, eighty-one".